A posthumous biography on Henig authored by her father and the freelance writer Madeline Thompson was published in 1982.
[2] She won the Rose Bowl at Toronto's Kiwanis Music Festival,[5] but subsequently opted to be a pianist when she was aged 18 because her voice was not sufficiently developed enough.
[2][6] Under Jean Broadfoot and Gordon Kushner in Winnipeg and under Margaret Miller Brown at The Royal Conservatory of Music, Henig studied piano.
[8] In 1957, she made her debut in New York, performing Wolfgang Amadeus Mozart's Sonata in A minor at Steinway Concert Hall on December 21.
[2][11] In 1961, Henig went to Europe on a short visit, partaking in the International Competition for Musical Performers in Geneva and winning the Laureate there.
[11] Seven years later, Henig did a concert at the National Gallery of Art in Washington, D.C.[2] She was praised by the critic Paul Hume as "... impressive ... superb ...
"[11] Approaching the mid-1970s, Henig made fewer public appearances because she wanted to spend more time with her husband and two children.
[11] In early 1978, Henig made her recital debut in New York at Carnegie Hall, performing as a chamber musician, singer and soloist as an accompanist for the Soviet oboist Senia Trubashnik.